good evening. I am trying make a board with holes that had vertical edges (for orientation). When I import a DXF file as a board outline, the outlines are there. When I go to the 3D view, the 4 outlines are not holes. Any suggestions?
Thanks!

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                Chrome
                  89.0.4389.82
                Windows
                  10
                                EasyEDA
                  6.4.17